Specification BatteriesRequired : 1 Brand : Zard zoop BulletPoint1 : Set includes 12 continuous sound buzzers. No need to drive, it will make a sound when power is on. BulletPoint2 : Diameter : 3cm /1.2in. Length of Wire : 11cm /4.3in. BulletPoint3 : Active piezoelectric buzzerr Continuous Sound. Maximum sound 100dB, volume can be adjusted according to the voltage. BulletPoint4 : Max Voltage : DC 3-24V; Max Current : 30mA; Rated Current : 15mA at 12VDC; Response frequency : 3±500Hz. BulletPoint5 : Our piezo buzzer is covered by a one-year warranty, and any quality issues within that warranty period will result in a direct replacement of the product for you. ExternallyAssignedProductIdentifier : 6905467106071 IncludedComponents : buzzerr IsCordless : 1 ItemName : 12PCS Active Piezo Electronic Buzzerr DC3-24V Maximum 100dB Continous Sound SFM-27-L ItemPackageDimensions_Height : 19.6088 centimeters ItemPackageDimensions_Length : 2.6924 centimeters ItemPackageDimensions_Width : 17.1958 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : security-sirens Manufacturer : Zard zoop Material : Jade ModelName : SFM-27-L ModelNumber : SFM-27-L NoiseLevel : 100 decibels NumberOfItems : 12 PartNumber : SFM-27-L PowerSourceType : Corded Electric ProductDescription : Set includes 12 continuous sound buzzers. No need to drive, it will make a sound when power is on. Diameter : 3cm /1.2in. Length of Wire : 11cm /4.3in. Max Voltage : DC 3-24V; Max Current : 30mA; Rated Current : 15mA at 12VDC; Response frequency : 3±500Hz. ProductGrade : Home ProductSiteLaunchDate : 2024-04-28T07:00:00.000Z SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 Voltage : 12 volts WaterResistanceLevel : not_water_resistant